/* ============================================================
   xiuqi.art 版型模块 - 核心样式（与主站统一）
   设计规范: 深色 #0a0a0a + 金 #c9a96e + Noto Serif SC 衬线
   兼容移动端 + PC端响应式
   ============================================================ */

/* 基础变量（与主站 style.css 一致） */
:root {
    --bg: #0a0a0a;
    --text: #e8e8e8;
    --text-light: #999;
    --accent: #c9a96e;
    --accent-hover: #dbbd82;
    --border: #2a2a2a;
    --card-bg: #141414;
    --card-bg-light: #1c1c1c;
    --error: #c0392b;
    --success: #c9a96e;
    --radius: 4px;
    --font-cn: "Noto Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
    --font-en: "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: #c9a96e; border-radius: 3px; }

body {
    font-family: var(--font-cn);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    min-height: 100vh;
    padding-top: 60px;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== 导航（与主站一致） ===== */
.pattern-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    height: 60px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-logo {
    color: var(--accent);
    font-family: var(--font-en);
    font-size: 18px;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    letter-spacing: 1px;
    color: #999;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-user {
    font-size: 14px;
    min-width: 60px;
    text-align: right;
}

.nav-user .login-btn {
    color: var(--accent);
    cursor: pointer;
    letter-spacing: 1px;
}

.nav-user .user-name { color: var(--text-light); }

/* 子页返回条 */
.page-back {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 16px 0;
}

.page-back a {
    font-size: 13px;
    color: var(--text-light);
    letter-spacing: 1px;
    transition: color 0.3s;
}

.page-back a:hover { color: var(--accent); }

/* ===== 主体 ===== */
.pattern-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

.pattern-header {
    text-align: center;
    margin: 40px 0 48px;
}

.pattern-header h1 {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: 4px;
    margin-bottom: 12px;
}

.pattern-header h1::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--accent);
    margin: 16px auto 0;
}

.pattern-header p {
    color: var(--text-light);
    font-size: 14px;
    letter-spacing: 1px;
}

/* ===== 工具箱模块入口 ===== */
.module-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 40px;
}

.module-tab {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    color: inherit;
    transition: border-color 0.3s;
    display: block;
}

.module-tab:hover { border-color: var(--accent); }

.module-tab.active {
    border-color: var(--accent);
    cursor: default;
}

.module-tab .module-name {
    font-size: 17px;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 6px;
}

.module-tab .module-desc {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 1px;
}

@media (max-width: 480px) {
    .module-tabs { grid-template-columns: 1fr; }
}

/* ===== 包型卡片网格 ===== */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.template-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s, transform 0.3s;
    color: inherit;
    display: block;
}

.template-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.template-card .card-img {
    width: 100%;
    height: 160px;
    background: var(--card-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 44px;
    border-bottom: 1px solid var(--border);
}

.template-card .card-info {
    padding: 16px;
}

.template-card .card-name {
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.template-card .card-desc {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.7;
}

.template-card .card-difficulty {
    margin-top: 10px;
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 2px;
}

/* ===== 配置页布局（单栏：表单紧凑在上，结果放大在下） ===== */
.pattern-main.config-page { max-width: 1000px; }

.config-page {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.config-left h2 {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

/* 桌面端参数表单两列排列，压缩占用空间 */
@media (min-width: 768px) {
    .param-form {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px 24px;
    }
}

/* ===== 图片上传 ===== */
.upload-section { margin-bottom: 28px; }

.upload-box {
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
}

.upload-box:hover { border-color: var(--accent); }

.upload-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
    color: var(--accent);
}

.upload-box span {
    display: block;
    color: var(--text);
    font-size: 14px;
    letter-spacing: 1px;
}

.upload-box small {
    color: var(--text-light);
    font-size: 12px;
}

.upload-preview { margin-top: 12px; position: relative; }

.upload-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.upload-preview button {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0,0,0,0.7);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
}

/* ===== 参数表单 ===== */
.param-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    letter-spacing: 1px;
    color: var(--text);
}

.form-group .input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input[type="number"],
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group select {
    flex: 1;
    padding: 10px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-cn);
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s;
}

.form-group select option { background: var(--card-bg); }

.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }

.form-group .unit {
    color: var(--text-light);
    font-size: 13px;
    min-width: 28px;
}

.form-group .hint {
    font-size: 12px;
    color: var(--text-light);
}

.form-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent);
    margin-right: 8px;
    vertical-align: middle;
}

/* ===== 按钮 ===== */
.btn-primary {
    background: var(--accent);
    color: #0a0a0a;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-family: var(--font-cn);
    font-size: 15px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: background 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-large { width: 100%; padding: 14px; }

.btn-code {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 10px 16px;
    border-radius: var(--radius);
    font-family: var(--font-cn);
    font-size: 13px;
    letter-spacing: 1px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.3s, color 0.3s;
}

.btn-code:hover { background: var(--accent); color: #0a0a0a; }
.btn-code:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 10px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    margin-top: 10px;
    font-family: var(--font-cn);
    font-size: 14px;
    letter-spacing: 1px;
}

/* ===== 预览面板 / 生成结果（单栏全宽，内容放大） ===== */
.config-right {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

@media (max-width: 480px) {
    .config-right { padding: 20px; }
}

.config-right h3 {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.preview-canvas {
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    overflow: hidden;
}

.preview-canvas svg {
    max-width: 100%;
    max-height: 320px;
}

.preview-params {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.9;
}

/* ===== 生成成功（放大排版） ===== */
.success-message h3 {
    color: var(--accent);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 3px;
    margin-bottom: 10px;
    border: none;
    padding: 0;
}

.success-message p {
    font-size: 15px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.download-login,
.download-actions {
    margin: 24px 0;
}

.download-login p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.download-actions .btn-primary,
.download-login .btn-primary {
    font-size: 16px;
    padding: 14px 32px;
}

/* 缝制指引（修复文字溢出 + 放大排版） */
.guide-section {
    margin-top: 28px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.guide-section h4 {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
}

.guide-content {
    font-size: 15px;
    line-height: 2.0;
    color: var(--text);
    /* 关键：防止长文本溢出容器 */
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
    overflow-x: hidden;
}

.guide-content h5 {
    font-size: 15px;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 1px;
    margin: 18px 0 8px;
}

.guide-content p { margin-bottom: 10px; }

.guide-content ul {
    margin: 8px 0 12px 20px;
}

.guide-content li { margin-bottom: 6px; }

.guide-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 14px 0;
}

.guide-content strong { color: var(--accent); font-weight: 500; }

/* 兼容旧的 pre 渲染（兜底） */
.guide-section pre {
    white-space: pre-wrap;
    overflow-wrap: break-word;
    word-break: break-word;
    font-family: var(--font-cn);
    font-size: 13px;
    line-height: 1.9;
    max-width: 100%;
    overflow-x: hidden;
}

/* ===== 解锁页面 ===== */
.unlock-page { padding-top: 60px; }

.unlock-main {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 60px);
    padding: 40px 20px;
}

.unlock-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 36px;
    max-width: 440px;
    width: 100%;
    text-align: center;
}

.unlock-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.unlock-card h2 {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.unlock-desc {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 24px;
}

.price-tag { margin-bottom: 28px; }

.price-tag .price {
    font-size: 36px;
    font-family: var(--font-en);
    color: var(--accent);
}

.price-tag .price-unit {
    font-size: 14px;
    color: var(--text-light);
}

.qrcode-section {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 20px;
}

.qrcode-box { flex: 1; max-width: 160px; }

.qrcode-box h4 {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.qrcode-placeholder {
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-placeholder img {
    max-width: 100%;
    max-height: 100%;
}

.payment-note {
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 20px;
    font-size: 13px;
    text-align: left;
}

.payment-note p { margin-bottom: 4px; }
.payment-note strong { color: var(--accent); }

.confirm-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.confirm-form input {
    padding: 12px;
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-cn);
    font-size: 14px;
    text-align: center;
    outline: none;
}

.confirm-form input:focus { border-color: var(--accent); }

.confirm-info {
    font-size: 12px;
    color: var(--text-light);
}

.confirm-info p { margin-bottom: 4px; }

/* ===== 弹窗 ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.modal h3 {
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.modal-desc {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 20px;
}

.modal .form-group { margin-bottom: 12px; }

.modal input {
    width: 100%;
    padding: 12px;
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-cn);
    font-size: 15px;
    outline: none;
}

.modal input:focus { border-color: var(--accent); }

.modal .btn-primary { width: 100%; }

.code-group {
    display: flex;
    flex-direction: row;
    gap: 8px;
}

.code-group input { flex: 1; }

/* ===== 加载态 ===== */
.loading {
    text-align: center;
    padding: 60px 40px;
    color: var(--text-light);
    letter-spacing: 2px;
    grid-column: 1 / -1;
}

/* ===== 表单操作区 ===== */
.form-actions { margin-top: 28px; }

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .pattern-nav { padding: 0 20px; }
    .nav-links { gap: 18px; }
    .nav-links a { font-size: 12px; }
}

@media (max-width: 480px) {
    .template-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .template-card .card-img { height: 110px; font-size: 32px; }
    .unlock-card { padding: 32px 20px; }
    .qrcode-section { flex-direction: column; align-items: center; }
    .pattern-header h1 { font-size: 20px; letter-spacing: 2px; }
    .nav-links li:nth-child(-n+3) { display: none; } /* 手机只留版型入口 */
}